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SGM3803 Datasheet 90% Efficient Synchronous Step-up Converter

Manufacturer: SG Micro

Overview: SGM3803 90% Efficient Synchronous Step-Up Converter with 200mA Negative Charge Pump Inverter.

Datasheet Details

Part number SGM3803
Manufacturer SG Micro
File Size 670.48 KB
Description 90% Efficient Synchronous Step-Up Converter
Datasheet SGM3803-SGMicro.pdf

General Description

The SGM3803 is a constant frequency, current mode, synchronous step-up switching regulator with 200mA negative charge pump inverter which generates an unregulated negative output voltage from an input voltage ranging from 1.4V to 5.5V.

The device is typically used to generate +5V and -5V from battery.

High switching frequency minimizes the sizes of inductor and capacitor.

Key Features

  • Boost DC/DC.
  • 90% Efficient Synchronous Boost Converter.
  • Device Quiescent Current: 30µA (TYP).
  • Less than 1μA Shutdown Current.
  • Input Voltage Range: 2.7V to 5.5V.
  • Output Voltage Clamping: 6V.
  • Adjustable Output Voltage Up to 5.5V.
  • Power-Save Mode for Improved Efficiency at Low Output Power.
  • Load Disconnect During Shutdown.
  • Low Reverse Leakage Current when VOUT1 > VCC.
  • 1.8V Logic on EN1 Pin for Control.
  • Over-Temperature Protection Negative Charg.

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SGM3803 Distributor